Vicmap Elevation - 10-20 Contours & Relief

product: VICMAP_ELEV_10-20 CONT & RELIEF
This dataset series is a product of Vicmap Elevation. It contains topographical relief features represented by lines and points. It is a combination of a number of data sets that were a part of VicMap Digital Topographic. Datasets in the series are listed below. See their metadata entries for more detailed metadata. Contour 1:25,000 - Vicmap Elevation (EL_CONTOUR); Ground Surface Point 1:25,000 - Vicmap Elevation (EL_GRND_SURFACE_POINT); Ground Type Point 1:25,000 - Vicmap Elevation (EL_GRND_TYPE_POINT); Ground Type Area (Polygon) 1:25,000 - Vicmap Elevation (EL_GRND_TYPE_AREA_POLYGON); Morphology Line 1:25,000 - Vicmap Elevation (EL_MORPHOLOGY_LINE) ; Morphology Point 1:25,000 - Vicmap Elevation (EL_MORPHOLOGY_POINT); Relief Areas with fuzzy boundaries (EL_RELIEF_AREA_FUZZY); Relief Areas (EL_RELIEF_AREA)
 
Citation proposal Citation proposal
(2022)

Vicmap Elevation - 10-20 Contours & Relief

Department of Transport and Planning
 

Description

Title
Vicmap Elevation - 10-20 Contours & Relief 
Alternate title
VICMAP_ELEV_10-20 CONT & RELIEF 
Resource Type
Product  
Purpose
Vicmap Elevation provides an accurate representation of natural relief features across Victoria, at a capture scale of 1:25,000. It is used in a variety of applications, particularly in emergency services, natural resource management, planning and development, and digital map publication. 
Supplemental Information
Relationship to other Datasets: ANZVI0803002639 Related Documents: None Please see Vicmap Elevation - 10-20 Contours & Relief product description for more detailed information on this product. This can be found on the Vicmap Elevation Webpage. https://www.land.vic.gov.au/maps-and-spatial/spatial-data/vicmap-catalogue 
Status
Completed  
 
 

Temporal

Time period
1974-01-01 
 
 

Spatial

Spatial representation type
Vector  
Horizontal Accuracy
25m  
Code
4283 
Description
General - Victoria 
N
S
E
W


 

 

Maintenance

Maintenance and update frequency
Irregular  
 
 

Format

Title
SDE 10 
 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Elevation
  • Environment
  • Geoscientific information
DELWP Categories
  • Vicmap Products
 
 

Resource Constraints

Use limitation
Access through http://services.land.vic.gov.au/SpatialDatamart/ or DataVic www.data.vic.gov.au or Vicmap Data Service providers http://www.delwp.vic.gov.au/maps/spatial-data/victorian-spatial-data/licensing#DSP 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: The line work and points were derived from the Vicmap Digital Topographic (VDT) map base coordinated by LIG. VDT evolved from Victoria's printed 1:25,000 Topographic Map Series program together with the need to supply a control framework for the creation of the rural Digital Cadastral Mapbase. The capture scale is 1:25,000 Statewide and the coverage, except for minor border issues is also statewide. Dataset Originality: Primary 
Description
Collection Method: Conversion of existing mapping, digital stereo capture 
Description
- Conversion of existing mapping - compilation conversion 30% and repromat conversion 50% - digital stereo capture - 20% -The majority of the conversion of existing mapping and approximately 30% of the digital stereo capture were outsourced to private contractors and the remainder was captured in house. Contractor's primarily scanned and vectorised existing repromat with a small amount of hand digitising done in some instances. 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
The allowable error in attribute accuracy ranges between a 1% allowable error to 5% error. For this product attribute accuracy ranges between a 1% to 5% error. For this product attribute accuracy is a measure of the degree to which features and attribute values of spatial objects agree with the information on the source material. 
Positional Accuracy
Comments
The planimetric accuracy attainable will be the sum of errors from three sources:the positional accuracy of the source material, errors due to the conversion process, errors due to the manipulation process. For topographic base derived data this represents an error of 8.3m on the ground for 1:25,000 data. A conservative estimate of 10m for the standard deviation will be used in any data quality information. Alternate and equal ways of expressing this error are: not more than 10% of well-defined points will be in error by more than 16 m. The worst case error for the data is +/- 30 m. For vertical positional accuracy of points determined from contours there is an expectation that the elevation accuracy (standard deviation) will be half the value of the contour interval. 
Conceptual Consistency
Comments
The allowable error in attribute accuracy ranges between 1% to 5% error. Logical consistency is a measure of the degree to which data complies with the technical specification. The test procedures are a mixture of scripts, microstation MGE program and on-screen visual checks. 
Missing Data
Comments
Complete 
Excess Data
 
 

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